"Last week we used ping and tcptraceroute to pinpoint
connectivity problems, and nmap to spy on users. Oh yeah, and to
map entire subnets with a single command. Today we'll look at ways,
when your users crab about 'the network is slow,' to determine if
it's network or server troubles.
"mtr, My Traceroute, is a great little tool for giving you a
real-time snapshot of network performance..."